CN209774540U - Piston rod screwing spare nut for high-speed motor train - Google Patents
Piston rod screwing spare nut for high-speed motor train Download PDFInfo
- Publication number
- CN209774540U CN209774540U CN201822249412.5U CN201822249412U CN209774540U CN 209774540 U CN209774540 U CN 209774540U CN 201822249412 U CN201822249412 U CN 201822249412U CN 209774540 U CN209774540 U CN 209774540U
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- CN
- China
- Prior art keywords
- piston rod
- nut
- spare
- speed motor
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a high-speed motor car is screwed up with piston rod and is equipped with female, include: the nut part and the handle part are of an integral structure, wherein at least one of the top surface and the bottom surface of the nut part is an arc surface and is used for reducing the contact friction force between two adjacent spare nuts screwed on the piston rod so as to achieve the effect of screwing and fixing the piston rod; the handle part is provided with a torque through hole which is convenient to be matched with a torque wrench to screw the spare nut. The utility model discloses two faces that make the contact become the cambered surface of taking a radian by the plane, have reduced the friction between two faces, so when twisting two adjacent and prepare one in the mother, another can not driven, has improved the fixed effect of locking to add the moment hole, more cooperate the use of moment instrument.
Description
Technical Field
The utility model belongs to the technical field of rail vehicle shock absorber equipment, concretely relates to high-speed for motor car piston rod screw up be female.
Background
The preparation of using is female now, when screwing up the piston rod, because the contact surface is too big between two upper and lower preparation mothers, and frictional force is too big, when screwing up one in two adjacent preparation mothers, thereby another also can be driven and not reach the ideal locking effect who prepares for mother, because the characteristic of preparing female material, can't bear great moment moreover, consequently can't use specialized tool to twist to current preparation mother.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art not enough, provided a high-speed piston rod for motor car is screwed up and is equipped with female, improved the female preparation that uses before, make two faces of contact become the cambered surface of taking a little radian by the plane, reduced the friction between two faces, so when twisting two adjacent preparation in female one, another can not driven, improved the fixed effect of locking to add the moment hole, more cooperate the use of moment instrument.
In order to solve the technical problem, the utility model discloses the technical scheme who takes does:
A piston rod tightening spare nut for a high-speed motor car comprises: the nut part and the handle part are of an integral structure, wherein at least one of the top surface and the bottom surface of the nut part is an arc surface and is used for reducing the contact friction force between two adjacent spare nuts screwed on the piston rod so as to achieve the effect of screwing and fixing the piston rod; the handle part is provided with a torque through hole which is convenient to be matched with a torque wrench to screw the spare nut.
Further, the piston rod is screwed and fixed in the dust cover bottom of the shock absorber by the spare nut.
furthermore, a threaded hole is formed in the middle of the bottom of the dust cover, the threaded hole is in threaded connection with one end of the piston rod, and the other end of the piston rod is in threaded connection with the nut portion of the spare nut.
Further, the nut portion is hollow and annular.
Further, the handle portion is square.
The beneficial effects of the utility model include at least: the utility model discloses a prepare mother to the use before improves, makes two faces of contact become the cambered surface of taking a radian by the plane, has reduced the friction between two faces, so when twisting two adjacent prepare mother in one, another can not driven, has improved the fixed effect of locking to add the moment hole, more cooperate the use of moment instrument.
Drawings
Fig. 1 is a schematic structural view of a piston rod and a dust cover.
Fig. 2 is the utility model discloses be equipped with female assembly fixture schematic diagram.
Fig. 3 is a plan view of the structure of the utility model.
Fig. 4 is a front view of the structure of the utility model.
The piston rod 1, the dust cover bottom 2, the threaded hole 201, the spare nut 3, the nut part 301, the handle part 302, the arc-shaped surface 303 and the moment through hole 304.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the following specific embodiments. The following description of the embodiments is merely exemplary in nature and is in no way intended to limit the invention. The examples, where specific techniques or conditions are not indicated, are to be construed according to the techniques or conditions described in the literature in the art or according to the product specifications.
According to the embodiment of the utility model, fig. 1 is piston rod and dust cover schematic structure, and fig. 2 is the utility model discloses be equipped with female assembly fixture schematic diagram, fig. 3 is the utility model discloses be equipped with female structure plan view, fig. 4 is the utility model discloses be equipped with female structure main view, it is shown with reference to fig. 1-4, a high-speed motor car be screwed up with the piston rod and be equipped with female, include: the nut part and the handle part are of an integral structure, wherein at least one of the top surface and the bottom surface of the nut part is an arc surface and is used for reducing the contact friction force between two adjacent spare nuts screwed on the piston rod so as to achieve the effect of screwing and fixing the piston rod; the handle part is provided with a torque through hole which is convenient to be matched with a torque wrench to screw the spare nut.
According to an embodiment of the present invention, referring to fig. 1 and 2, the piston rod is screwed down by the spare nut and fixed in the dust boot bottom of the shock absorber.
According to the utility model discloses an embodiment, it is shown with reference to fig. 1 and 2, the middle part at the bottom of the dust cover is equipped with the screw hole, the screw hole with a terminal thread of piston rod links to each other, the other end of piston rod with it links to each other to be equipped with female nut portion screw.
According to the embodiment of the present invention, the nut portion is preferably a hollow ring shape, and may have other shapes.
According to the embodiment of the present invention, the handle portion is preferably square, and may be in other shapes.
In summary, the following steps: the utility model discloses a being equipped with female improving of using before, making two faces of contact become the cambered surface of taking a radian by the plane, reduced the friction between two faces, so when twisting one in two adjacent being equipped with female, another can not driven, improved the fixed effect of locking to add the moment hole, more cooperate the use of moment spanner, be convenient for right it revolves soon to be equipped with female.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that various changes, modifications, substitutions and alterations can be made in the above embodiments by those skilled in the art without departing from the scope of the present invention, and that various changes in the detailed description and applications can be made by those skilled in the art without departing from the spirit of the present invention.
Claims (5)
1. A piston rod screwing spare nut for a high-speed bullet train is characterized by comprising: the nut part and the handle part are of an integral structure, wherein at least one of the top surface and the bottom surface of the nut part is an arc surface and is used for reducing the contact friction force between two adjacent spare nuts screwed on the piston rod so as to achieve the effect of screwing and fixing the piston rod; the handle part is provided with a torque through hole which is convenient to be matched with a torque wrench to screw the spare nut.
2. The piston rod tightening nut as claimed in claim 1, wherein the piston rod is tightened by the nut and fixed in a dust boot bottom of the shock absorber.
3. The piston rod tightening spare nut for the high-speed motor car according to claim 2, wherein a threaded hole is formed in the middle of the bottom of the dust cover, the threaded hole is in threaded connection with one end of the piston rod, and the other end of the piston rod is in threaded connection with the nut portion of the spare nut.
4. The piston rod tightening nut for high-speed motor cars according to any one of claims 1 to 3, characterized in that the nut portion is hollow and ring-shaped.
5. The piston rod tightening nut for high-speed motor cars according to any one of claims 1 to 3, characterized in that the handle portion is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822249412.5U CN209774540U (en) | 2018-12-29 | 2018-12-29 | Piston rod screwing spare nut for high-speed motor train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822249412.5U CN209774540U (en) | 2018-12-29 | 2018-12-29 | Piston rod screwing spare nut for high-speed motor train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209774540U true CN209774540U (en) | 2019-12-13 |
Family
ID=68791287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822249412.5U Expired - Fee Related CN209774540U (en) | 2018-12-29 | 2018-12-29 | Piston rod screwing spare nut for high-speed motor train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209774540U (en) |
-
2018
- 2018-12-29 CN CN201822249412.5U patent/CN209774540U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 Termination date: 20211229 |